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  1. Tunnel - Wikipedia

    Tunnel in Col du Galibier, France Tunnel in Fort de Mutzig, France Decorated portal to a road tunnel in Guanajuato, Mexico Utility tunnel for heating pipes between Rigshospitalet and …

  2. Tunnels and underground excavations | History, Methods, Uses, …

    tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock, such as limestone. A …

  3. MTA Bridges and Tunnels

    In 2023, we carried more traffic than any bridge and tunnel authority in the nation—more than 336 million vehicles. Surplus revenues from our tolls help support MTA public transit services.

  4. TUNNEL Definition & Meaning - Merriam-Webster

    The meaning of TUNNEL is a covered passageway; specifically : a horizontal passageway through or under an obstruction. How to use tunnel in a sentence.

  5. How Tunnels Work - HowStuffWorks

    Constructing a tunnel is one of the most complex challenges in the field of civil engineering. Learn about the basics behind tunnels.

  6. Hudson Tunnel’s Digging Work to Start as Boring Machines Arrive

    4 days ago · Work to begin digging a new Hudson Tunnel is set to begin this spring as two tunnel boring machines custom-built for the project are on their way to New Jersey.

  7. TUNNEL | English meaning - Cambridge Dictionary

    TUNNEL definition: 1. a long passage under or through the ground, especially one made by people: 2. the long passage…. Learn more.

  8. TUNNEL definition in American English | Collins English Dictionary

    A tunnel is a long passage which has been made under the ground, usually through a hill or under the sea. Boston drivers love the tunnel.

  9. Tunnel - New World Encyclopedia

    In general, tunnels are at least twice as long as they are wide and are completely enclosed on all sides, save for the openings at each end. A tunnel may be used by pedestrians, cyclists, motor …

  10. tunnel noun - Definition, pictures, pronunciation and usage notes ...

    Definition of tunnel noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.